65384571 has 12 divisors (see below), whose sum is σ = 101413032. Its totient is φ = 37362528.

The previous prime is 65384537. The next prime is 65384573. The reversal of 65384571 is 17548356.

It is not a de Polignac number, because 65384571 - 2⁶ = 65384507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65384573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222250 + ... + 222543.

It is an arithmetic number, because the mean of its divisors is an integer number (8451086).

Almost surely, 2^65384571 is an apocalyptic number.

65384571 is a deficient number, since it is larger than the sum of its proper divisors (36028461).

65384571 is a wasteful number, since it uses less digits than its factorization.

65384571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444810 (or 444803 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 65384571 is about 8086.0726561168. The cubic root of 65384571 is about 402.8639681922.

The spelling of 65384571 in words is "sixty-five million, three hundred eighty-four thousand, five hundred seventy-one".